MCP servers, called rather than listed

Every remote server in the official MCP registry, sent one real initialize handshake. 16,923 servers across 11,823 hosts.

Search what these servers can do · read the measurement

Last checked 2026-09-06. We send a handshake, we do not authenticate and we do not call a tool.

Gated is not broken. 4,068 of these servers answer with a 401 or 403. They are running and want a credential we do not have. A checker that treats them as dead is wrong about 24.0% of the registry before it starts, so we count them separately and always will.

16,923 matching.

serverresulttoolshost
smry-public-reader
https://r.smry.ai/mcp
answers a handshake 1 r.smry.ai
n.3.ai MCP Server
https://mcp.n-3.ai/mcp?tools=kkj-search
answers a handshake 1 mcp.n-3.ai
celestium-cosmic-compass
https://celestium-cosmic-compass.fly.dev/mcp
answers a handshake 1 celestium-cosmic-compass.fly.dev
refund.decide.fyi
https://refund.decide.fyi/api/mcp
answers a handshake 1 refund.decide.fyi
pohjola-api
https://pohjola-api.nousulabs.workers.dev/mcp
answers a handshake 1 pohjola-api.nousulabs.workers.dev
oathlayer
https://mcp.oathlayer.com
answers a handshake 1 mcp.oathlayer.com
OSA Procurement Guard
https://pkctqxeydfuiupadaoov.supabase.co/functions/v1/procurement-mcp
answers a handshake 1 pkctqxeydfuiupadaoov.supabase.co
fatemcp-daymaster
https://mcp.fatemcp.com/daymaster
answers a handshake 1 mcp.fatemcp.com
fatemcp-destiny-weight
https://mcp.fatemcp.com/destiny-weight
answers a handshake 1 mcp.fatemcp.com
xkcdai
https://xkcdai.onrender.com/mcp
answers a handshake 1 xkcdai.onrender.com
Dredd MCP — Pre-Flight Security
https://analytics.dugganusa.com/api/v1/dredd/mcp
answers a handshake 1 analytics.dugganusa.com
mon-premier-mcp
https://iban-validated.othmen-mohammadi.workers.dev/mcp
answers a handshake 1 iban-validated.othmen-mohammadi.workers.dev
io.github.pepesto-solutions/agent-to-cart-mcp
https://mcp.pepesto.com
answers a handshake 1 mcp.pepesto.com
agentdata-liquidity
https://agentdata-liquidity-exit-cost.onrender.com/mcp/
answers a handshake 1 agentdata-liquidity-exit-cost.onrender.com
databutler-uk-rates
https://databutler.dev/api/mcp/uk-rates
answers a handshake 1 databutler.dev
bonsai-health-intelligence
https://web-production-ae61.up.railway.app/mcp/lifestyle-medicine-knowledge
answers a handshake 1 web-production-ae61.up.railway.app
socialswarm
https://social-swarm.vercel.app/api/mcp
answers a handshake 1 social-swarm.vercel.app
ai-factory-app-store-version
https://faceted-napped-debtless.ngrok-free.dev/app-store-version/mcp
answers a handshake 1 faceted-napped-debtless.ngrok-free.dev
ai-factory-email-extractor
https://faceted-napped-debtless.ngrok-free.dev/email-extractor/mcp
answers a handshake 1 faceted-napped-debtless.ngrok-free.dev
ai-factory-email-validator
https://faceted-napped-debtless.ngrok-free.dev/email-validator/mcp
answers a handshake 1 faceted-napped-debtless.ngrok-free.dev
ai-factory-json-schema-validator
https://faceted-napped-debtless.ngrok-free.dev/json-schema-validator/mcp
answers a handshake 1 faceted-napped-debtless.ngrok-free.dev
ai-factory-robots-txt-checker
https://faceted-napped-debtless.ngrok-free.dev/robots-txt-checker/mcp
answers a handshake 1 faceted-napped-debtless.ngrok-free.dev
ai-factory-text-slugifier
https://faceted-napped-debtless.ngrok-free.dev/text-slugifier/mcp
answers a handshake 1 faceted-napped-debtless.ngrok-free.dev
ai-factory-url-normalizer
https://faceted-napped-debtless.ngrok-free.dev/url-normalizer/mcp
answers a handshake 1 faceted-napped-debtless.ngrok-free.dev
BotGuard Pro
https://botguard-agent-production.up.railway.app/mcp
answers a handshake 1 botguard-agent-production.up.railway.app
di-001-a-lodging-decision
https://di-001-a-lodging-decision-mcp.scenicstay.workers.dev/mcp
answers a handshake 1 di-001-a-lodging-decision-mcp.scenicstay.workers.dev
sirveil-exposure
https://ai.sirveil.ai/api/v1/mcp
answers a handshake 1 ai.sirveil.ai
scamcheck
https://scamcheck.tech/api/mcp
answers a handshake 1 scamcheck.tech
resumakeai
https://www.resumakeai.com/api/mcp
answers a handshake 1 www.resumakeai.com
perceptdot
https://api.perceptdot.com/mcp
answers a handshake 1 api.perceptdot.com
hive-swap-router-federation
https://hive-mcp-swap.onrender.com/mcp
answers a handshake 1 hive-mcp-swap.onrender.com
icd-mcp-server
https://icd-mcp-server.staycek.workers.dev/mcp
answers a handshake 1 icd-mcp-server.staycek.workers.dev
icf-mcp-server
https://mcp-icf.medseal.app/mcp
answers a handshake 1 mcp-icf.medseal.app
stillos-edge-gate-edge
https://stillos-edge-gate-edge.stillos.workers.dev/mcp
answers a handshake 1 stillos-edge-gate-edge.stillos.workers.dev
stillos-kya-edge
https://stillos-kya-edge.stillos.workers.dev/mcp
answers a handshake 1 stillos-kya-edge.stillos.workers.dev
scholium
https://scholium.latentpath.to/mcp
answers a handshake 1 scholium.latentpath.to
io.github.telemarkdigital-publisher/bluesky-keyword-alerts
https://telemark-apify-monitoring-mcp.katfu111111.workers.dev/bluesky
answers a handshake 1 telemark-apify-monitoring-mcp.katfu111111.workers.dev
io.github.telemarkdigital-publisher/rss-keyword-monitor
https://telemark-apify-monitoring-mcp.katfu111111.workers.dev/rss
answers a handshake 1 telemark-apify-monitoring-mcp.katfu111111.workers.dev
io.github.telemarkdigital-publisher/ted-tender-monitor
https://telemark-apify-monitoring-mcp.katfu111111.workers.dev/ted
answers a handshake 1 telemark-apify-monitoring-mcp.katfu111111.workers.dev
Witness
https://witness-edge-phase-c-test.witness-test.workers.dev/mcp
answers a handshake 1 witness-edge-phase-c-test.witness-test.workers.dev
Witness
https://witness-contractwitness-production.witness-test.workers.dev/mcp
answers a handshake 1 witness-contractwitness-production.witness-test.workers.dev
adu-zoning-mcp
https://www.adufloridainfo.com/api/mcp
answers a handshake 1 www.adufloridainfo.com
base-mcp-resolver
https://agent-services-seven.vercel.app/api/gateway
answers a handshake 1 agent-services-seven.vercel.app
budgetary
https://api.budgetary.tools/mcp
answers a handshake 1 api.budgetary.tools
word-aligner
https://aligner.tinygods.dev/mcp
answers a handshake 1 aligner.tinygods.dev
决策质检M2M
https://random-monetize.onrender.com/mcp
answers a handshake 1 random-monetize.onrender.com
agenda-intelligence-md
https://agenda-intelligence-a2a.vassiliy-lakhonin.workers.dev/mcp
answers a handshake 1 agenda-intelligence-a2a.vassiliy-lakhonin.workers.dev
agenda-intelligence-md
https://middle-corridor-deal-risk-gate-a2a.vassiliy-lakhonin.workers.dev/mcp
answers a handshake 1 middle-corridor-deal-risk-gate-a2a.vassiliy-lakhonin.workers.dev
agenda-intelligence-md
https://cis-secondary-sanctions-a2a.vassiliy-lakhonin.workers.dev/mcp
answers a handshake 1 cis-secondary-sanctions-a2a.vassiliy-lakhonin.workers.dev
agenda-intelligence-md
https://agentic-interaction-trust-a2a.vassiliy-lakhonin.workers.dev/mcp
answers a handshake 1 agentic-interaction-trust-a2a.vassiliy-lakhonin.workers.dev
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